Programming Interface Information: This information is NOT intended to be
used as Programming Interfaces of z/VM.

VRCHAIN

Prolog
Control Block Contents
VRCHAIN DSECT
Storage Layout
Cross Reference

VRCHAIN Prolog

 NAME       : HCPVRCHN
 DESCRIPTION: V=R RESERVED FRAME STACK POINTER MAPPING
 DSECT      : VRCHAIN
 FUNCTION   : MAPS THE POINTERS FROM ONE FRAME TO THE NEXT IN THE V=R
              RESERVED FRAME STACK.
 LOCATED BY : SYSVRRVM       ANCHOR OF THE V=R RESERVED FRAME STACK
 CREATED BY : HCPIST - DURING SYSTEM INITIALIZATION
 DELETED BY : NONE
 

VRCHAIN Control Block Content

VRCHAIN DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      VRCHAIN        V=R RESERVED FRAME STACK POINTER
                                        MAPPING
0000    0 Signed       4 VRNEXT         POINTER TO NEXT FRAME ON THE
                                        STACK
 

VRCHAIN Storage Layout

          
*** VRCHAIN - V=R RESERVED FRAME STACK POINTER MAPPING
*
*     +---------------------------+
*   0 |          VRNEXT           | 4
*     +---------------------------+
*
*** VRCHAIN - V=R RESERVED FRAME STACK POINTER MAPPING
 

VRCHAIN Cross Reference

Symbol         Dspl Value
-------------- ---- -----
VRNEXT         0000
This information is based on z/VM V3R1.0.
Last updated on 29 Mar 2001 at 17:05:21 EDT.
Copyright IBM Corporation, 1990, 2001